Bug Description

complete chain :
"With more people working on the project than ever before, its core features and hardware support continue to improve, and to its core features and hardware support, and Ubuntu has gained the attention of large organizations worldwide. One of IBM's open source operating systems is based on Ubuntu. In 2005, the French Police began to transition their entire computer infrastructure to a variant of Ubuntu\dash a process which has reportedly saved them ``millions of euros'' in licensing fees for Microsoft Windows. By the end of 2012, the French Police anticipates that all of their computers will be running Ubuntu. \Index{Canonical} profits from this arrangement by providing technical support and custom-built software."

the text "and to its core features and hardware support," seems to be duplicate

You're right. That bit of text was fixed in precise-e2. The string from precise-e2 is:

With more people working on the project than ever before, its core features and hardware support continue to improve. Ubuntu has gained the attention of large organizations worldwide. One of IBM's open source operating systems is based on Ubuntu. In 2005, the French Police began to transition their entire computer infrastructure to a variant of Ubuntu\dash a process which has reportedly saved them ``millions of euros'' in licensing fees for Microsoft Windows. By the end of 2012, the French Police anticipates that all of their computers will be running Ubuntu. \Index{Canonical} profits from this arrangement by providing technical support and custom-built software.

I can't correct the error in the precise branch because it would invalidate too many translations. But you're welcome to fix it in your translation.